tests/test-lang-plugins.c

   1 /* nbdkit
   2  * Copyright (C) 2013-2018 Red Hat Inc.
   3  *
   4  * Redistribution and use in source and binary forms, with or without
   5  * modification, are permitted provided that the following conditions are
   6  * met:
   7  *
   8  * * Redistributions of source code must retain the above copyright
   9  * notice, this list of conditions and the following disclaimer.
  10  *
  11  * * Redistributions in binary form must reproduce the above copyright
  12  * notice, this list of conditions and the following disclaimer in the
  13  * documentation and/or other materials provided with the distribution.
  14  *
  15  * * Neither the name of Red Hat nor the names of its contributors may be
  16  * used to endorse or promote products derived from this software without
  17  * specific prior written permission.
  18  *
  19  * THIS SOFTWARE IS PROVIDED BY RED HAT AND CONTRIBUTORS ''AS IS'' AND
  20  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
  21  * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
  22  * PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL RED HAT OR
  23  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  24  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  25  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
  26  * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
  27  * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
  28  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
  29  * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  30  * SUCH DAMAGE.
  31  */
  32
  33 #include <config.h>
  34
  35 #include <stdio.h>
  36 #include <stdlib.h>
  37 #include <stdint.h>
  38 #include <inttypes.h>
  39 #include <string.h>
  40 #include <unistd.h>
  41
  42 #include <guestfs.h>
  43
  44 #include "test.h"
  45
  46 int
  47 main (int argc, char *argv[])
  48 {
  49   guestfs_h *g;
  50   int r;
  51   const char *s;
  52   char *data;
  53
  54   /* These languages currently fail completely when run under
  55    * valgrind, so skip them.
  56    */
  57   s = getenv ("NBDKIT_VALGRIND");
  58   if (s && strcmp (s, "1") == 0 &&
  59       (strcmp (LANG, "python") == 0 ||
  60        strcmp (LANG, "ruby") == 0 ||
  61        strcmp (LANG, "tcl") == 0)) {
  62     fprintf (stderr, "%s test skipped under valgrind.\n", LANG);
  63     exit (77);                  /* Tells automake to skip the test. */
  64   }
  65
  66   if (test_start_nbdkit (LANG, SCRIPT, NULL) == -1)
  67     exit (EXIT_FAILURE);
  68
  69   g = guestfs_create ();
  70   if (g == NULL) {
  71     perror ("guestfs_create");
  72     exit (EXIT_FAILURE);
  73   }
  74
  75   r = guestfs_add_drive_opts (g, "",
  76                               GUESTFS_ADD_DRIVE_OPTS_FORMAT, "raw",
  77                               GUESTFS_ADD_DRIVE_OPTS_PROTOCOL, "nbd",
  78                               GUESTFS_ADD_DRIVE_OPTS_SERVER, server,
  79                               -1);
  80   if (r == -1)
  81     exit (EXIT_FAILURE);
  82
  83   if (guestfs_launch (g) == -1)
  84     exit (EXIT_FAILURE);
  85
  86   /* The test script creates an empty disk.  We format it, write some
  87    * data, and check we can read it back.
  88    */
  89
  90   if (guestfs_part_disk (g, "/dev/sda", "mbr") == -1)
  91     exit (EXIT_FAILURE);
  92   if (guestfs_mkfs (g, "ext4", "/dev/sda1") == -1)
  93     exit (EXIT_FAILURE);
  94
  95   if (guestfs_mount_options (g, "discard", "/dev/sda1", "/") == -1)
  96     exit (EXIT_FAILURE);
  97
  98 #define filename "/hello.txt"
  99 #define content "hello, people of the world"
 100
 101   if (guestfs_write (g, filename, content, strlen (content)) == -1)
 102     exit (EXIT_FAILURE);
 103
 104   data = guestfs_cat (g, filename);
 105   if (!data)
 106     exit (EXIT_FAILURE);
 107
 108   if (strcmp (data, content) != 0) {
 109     fprintf (stderr,
 110              "%s FAILED: unexpected content of %s file "
 111              "(actual: %s, expected: %s)\n",
 112              program_name, filename, data, content);
 113     exit (EXIT_FAILURE);
 114   }
 115   free (data);
 116
 117   /* Run sync to test flush path. */
 118   if (guestfs_sync (g) == -1)
 119     exit (EXIT_FAILURE);
 120
 121   /* Run fstrim to test trim path.  However only recent versions of
 122    * libguestfs have this, and it probably only works in recent
 123    * versions of qemu.
 124    */
 125 #ifdef GUESTFS_HAVE_FSTRIM
 126   if (guestfs_fstrim (g, "/", -1) == -1)
 127     exit (EXIT_FAILURE);
 128 #endif
 129
 130   /* Run fallocate(1) on the device to test zero path. */
 131   if (guestfs_umount (g, "/") == -1)
 132     exit (EXIT_FAILURE);
 133   const char *cmd[] = { "fallocate", "-nzl", "64k", "/dev/sda", NULL };
 134   data = guestfs_debug (g, "sh", (char **) cmd);
 135   free (data);
 136
 137   if (guestfs_shutdown (g) == -1)
 138     exit (EXIT_FAILURE);
 139
 140   guestfs_close (g);
 141   exit (EXIT_SUCCESS);
 142 }